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Marcus by Goldman Sachs fraud reporting routes

Unauthorized activity, account takeover, phishing, and EFT dispute response.

Last checkedAug 5, 2026Official website
This independent directory is not affiliated with Marcus by Goldman Sachs. Contacts below are sourced only from verified official pages.

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Exact verified routeChecked 2026-08-05

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Marcus fraud support

1-855-730-7283

Call immediately if account takeover or unauthorized activity is suspected.

Hours or timing: 24 hours a day, 7 days a week
Call official number
Source: Marcus Account Takeover Fraud

Before you report

Prepare the response, not just the phone call

Have this information readyFacts and identifiers the institution or agency may request7
  • Square account email and phone

    Collect if user cannot log in or suspects takeover.

    Required/recommended by Square support
  • Account holder name

    Collect in secured workspace.

    Required for written notice
  • Best contact information

    Collect phone/email used for bank follow-up.

    Required for written notice
  • What is wrong with the transaction?

    Collect a factual description of the unauthorized use or error.

    Required for written notice
  • Disputed amount

    Collect amount and currency.

    Required for written notice
  • Transaction date

    Collect exact posted date.

    Requested by official support
  • Transaction amount

    Collect amount and currency.

    Requested by official support
Preserve this evidence nowKeep original records before they are deleted, replaced, or changed7
  • Unauthorized ACH Return Form

    Save completed form, transmission proof, and source transaction records.

    Copy acceptable
  • ACH line-item data

    Preserve originating company name/ID, amount, debit/credit, posting date, unauthorized reason.

    Copy acceptable
  • Recurring automated transactions

    For replacement accounts, preserve list of recurring debits/credits to rebuild payment access safely.

    Reference only
  • PayPal payment details

    Preserve transaction details in Resolution Center workflow and FraudPrep ledger.

    Copy acceptable
  • Bank or Coinbase statement details

    Gather statement details and secure account before contacting support.

    Copy acceptable
  • Records of fraudulent transactions

    Preserve statements, transaction details, checks, receipts, and claim records related to the fraud.

    Keep originals and working copies
  • Fraud-related communications

    Preserve letters, emails, messages, and notices exchanged with institutions or suspected actors.

    Keep original and export copy
Other official reporting routesAgencies that may apply depending on the facts11
FBI IC3

Internet crime, cyber-enabled fraud, online scam, business email compromise, crypto-related fraud, or time-sensitive cyber incident.

Does not accept evidence attachments; user must preserve originals.
FTC ReportFraud

Fraud, scam, bad business practice, payment scam, or consumer fraud routing.

No guarantee of individual recovery; route and report preserve record.
CFPB

Consumer financial product/service complaint after contacting company when applicable.

Submit supporting documents; generally include everything because second complaint may not be possible.
USAGov Scam Wizard

User does not know which agency to report to.

External router; not evidence storage.
U.S. Postal Inspection Service

Mail fraud, mail theft, USPS smishing/phishing, identity theft via mail, mail-related scam.

For mail fraud form, mail copies and keep originals.
Local law enforcement / 911

Immediate danger or time-sensitive matter requiring immediate intervention.

Preserve report number and officer/contact details.
FDIC Consumer Response Center

Complaint or assistance involving an FDIC-supervised financial institution.

Submit copies when requested and retain originals.
Federal Reserve Consumer Help

Determine the correct bank regulator or complain about a Federal Reserve-supervised institution.

Retain documents for follow-up; do not place account numbers or SSNs in the free-text narrative.
NCUA Consumer Assistance Center

Complaint or assistance involving a federally insured credit union.

Preserve complaint confirmation, credit-union response, attachments, and proof of written escalation.
IdentityTheft.gov

Identity theft or misuse of personal information requiring an FTC Identity Theft Report and recovery plan.

Download or print the Identity Theft Report and recovery plan immediately; retain copies.
SEC Investor Complaint and Tips

Possible securities-law violation or problem with an investment account or financial professional.

Save the TCR submission number and printable complaint copy; retain all supporting records.
Official sources and verificationEvery public route links back to an independently checked official source3
Marcus Account Takeover FraudUnauthorized activity and account takeover · Verified in browserMarcus Phishing and SecuritySuspicious communication reporting · Verified in browserMarcus Savings Legal InformationEFT dispute and lost-check forms · Verified in browser

Other verified routes for Marcus by Goldman Sachs

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